Senior Software Engineer
iOS and macOS engineer specializing in cryptography and passwordless authentication. FIDO2 Technical Working Group member. Building secure software for US companies from Slovakia.
SDK and iOS app development, refactoring architecture, migrating from Objective-C to modern Swift. Working with FIDO2, WebAuthn, NIST elliptic curve DSA keys, and Trusted Execution Environments.
Implemented Enterprise Passkeys — both device-bound and multi-device — plus Credential Provider support. GPG and SSH commit signing. SSH authentication using Passkeys.
Participating member of FIDO2 Technical Working Group and FIDO2 non-CTAP Subgroup.
Implementing the strongest passwordless authentication on the planet. Responsible for iOS and macOS development.
Functional programming, composable architecture, reducers, Swift and Rust.
Managed mobile app development, deployment, and MDM (MobileIron, Intune). Developed multiple mobile applications for iOS and Android.
Built a service for mobile app deployment through MDM internal AppStore — backend in Vapor, frontend in AngularJS (later Vue.js). Developed services for iOS app code resigning and publishing through MDM with internal certificates, including bitcode recompilation to convert AppStore apps to MDM.
Coordinated mobile platform architecture, implementation and strategy. Mentored team of internal and contracted developers, UX designers, cloud and database architects. Lead Software Engineer at Mobile Centre of Excellence.
Mobile app development with Swift and Objective-C. RedHat FeedHenry mobile cloud platform integration, Node.js, Oracle.
Active contributor to Apple's open-source ResearchKit framework.
NFC passport and eID reader for iPhone. Biometric encryption, PACE/BAC protocols. On the App Store.
Home Assistant client for macOS and Apple TV. WebRTC camera streaming, smart detection alerts. SwiftUI.
App Store rankings tracker across 40+ countries. Vue.js frontend, Swift Vapor backend, PostgreSQL. Self-hosted.
Drop-in iOS framework for transparent network request and data verification using digital signatures.
iMessage/Signal alternative with anonymous users, E2E encryption, and physical key verification. iOS + Vapor backend.
Employee presence tracking with iPad-connected biometric device for fingerprint authentication.
Matej Bel University, Slovakia